| abstract |
An organic-inorganic hybrid film having a high refractive index is provided. A curable composition containing metal oxide particles, a compound of the following formula (1) and a curable monomer is cured to obtain a cured film. [Wherein R 1 is a halogen atom, a cyano group or an alkyl group, R 2 is an alkyl group, R 3 is an alkylene group, X is —Si (OR 4 ) a (R 5 ) 3-a [R 4 is alkyl or a group - [(R 6 O) b -R 7], R 5 is a hydrogen atom, a hydroxyl group or a hydrocarbon radical, a represents an integer of 1 to 3], k is an integer of 0 to 4, m Is an integer from 0 to 2] [Selection figure] None |